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Fab Matter (@herrmattoon)


Re: DAC dithering for low frequency signal measurement

Reply posted 5 years ago (08/28/2019)
Incredible how accurate can be phase measurement based on the czt. This is even better than with my complex algorithm! Good to know. This is now one of my best friends...

Re: DAC dithering for low frequency signal measurement

Reply posted 5 years ago (08/28/2019)
Hi Tim,Thank you for this answer, I will then trow away the dither generator and see what is the result.Kind regards.

Re: DAC dithering for low frequency signal measurement

Reply posted 5 years ago (08/23/2019)
Hi Chalil,Many thanks for your suggestions. I even didn't knew about the Chirp Z-tranform, nor about the Geortzel algo nor about the ZoomFFT !It means I will have...

Re: DAC dithering for low frequency signal measurement

Reply posted 5 years ago (08/22/2019)
Hi Chalil,Thank you for your proposition. Yes, both input signals are acquired with a different channel simultaneously. I never worked with mixing but I Just read...

Re: DAC dithering for low frequency signal measurement

Reply posted 5 years ago (08/21/2019)
Can be anything from DC to 125MHz (redpitaya default sampling rate but can omit a few values to decrease Fs)No idea. The RP ADC has 14bit. No more data on this ADC...
Hi everybody,I want to use the output of an 125MHz DAC to generate dither on the input of my ADC (Redpitaya). I have many questions but first, the background :I...

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